Parallax Volatility Advisers
PTEN icon

Parallax Volatility Advisers’s Patterson-UTI PTEN Stock Holding History

Parallax Volatility Advisers’s Portfolio PTEN Stock Details PTEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-916,000
Closed -$5.6M – 1769
2025
Q4 		$5.6M Buy
+916,000
New +$5.47M 0.01% 640
2024
Q4 		– Sell
-352,800
Closed -$2.7M – 2266
2024
Q3 		$2.7M Hold
352,800
– – ﹤0.01% 1029
2024
Q2 		$3.66M Buy
+352,800
New +$3.87M 0.01% 825
2021
Q3 		– Sell
-236,500
Closed -$2.35M – 2129
2021
Q2 		$2.35M Buy
+236,500
New +$2M ﹤0.01% 831
2017
Q2 		– Sell
-800
Closed -$19K – 3550
2017
Q1 		$19K Sell
800
-3,200
-80% -$86.3K ﹤0.01% 3003
2016
Q4 		$108K Buy
+4,000
New +$98.8K ﹤0.01% 2170
2016
Q3 		– Sell
-160,000
Closed -$3.41M – 3674
2016
Q2 		$3.41M Sell
160,000
-50,000
-24% -$942K 0.01% 749
2016
Q1 		$3.7M Sell
210,000
-5,000
-2% -$74.6K 0.01% 676
2015
Q4 		$3.24M Buy
215,000
+69,700
+48% +$1.07M 0.01% 850
2015
Q3 		$1.91M Buy
145,300
+142,100
+4,441% +$2.25M ﹤0.01% 1043
2015
Q2 		$61K Sell
3,200
-20,200
-86% -$419K ﹤0.01% 2460
2015
Q1 		$440K Sell
23,400
-78,300
-77% -$1.34M ﹤0.01% 1618
2014
Q4 		$1.69M Buy
101,700
+98,900
+3,532% +$2.09M ﹤0.01% 1169
2014
Q3 		$91K Sell
2,800
-600
-18% -$20.4K ﹤0.01% 2953
2014
Q2 		$118K Buy
3,400
+1,200
+55% +$39.4K ﹤0.01% 2383
2014
Q1 		$70K Buy
2,200
+1,600
+267% +$44.5K ﹤0.01% 2099
2013
Q4 		$16K Hold
600
– – ﹤0.01% 2816
2013
Q3 		$13K Sell
600
-1,500
-71% -$30.8K ﹤0.01% 2484
2013
Q2 		$42K Buy
+2,100
New +$45.8K ﹤0.01% 1689

Other funds holding PTEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Parallax Volatility Advisers's PTEN Position: Q4 2025 in Review

Parallax Volatility Advisers sold out of Patterson-UTI (PTEN) in Q4 2025, closing a stake of 37,992 shares — an estimated $227K sold.

Parallax Volatility Advisers first reported a position in PTEN in Q2 2013 and held it in 11 quarters. The position peaked at $359K in Q2 2015. 372 funds tracked by Wall St. Rank hold PTEN as of Q4 2025.

  • Parallax Volatility Advisers reported no remaining Patterson-UTI position as of Q4 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 37,992 Patterson-UTI shares in Q4 2025, an estimated $227K.
  • Parallax Volatility Advisers first reported a position in Patterson-UTI in Q2 2013 and held it in 11 quarters.
  • Parallax Volatility Advisers's Patterson-UTI position peaked at $359K in Q2 2015.
  • 372 funds tracked by Wall St. Rank held Patterson-UTI as of Q4 2025.

Based on Parallax Volatility Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.